3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $x = 'x'; } class B extends A { public $y; public $z; } $object = new B; $object->y = 'y'; $object->z = 'z'; var_export((array) $object);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.27, 8.4.1 - 8.4.14
array ( '' . "\0" . 'A' . "\0" . 'x' => 'x', 'y' => 'y', 'z' => 'z', )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( '' . "\0" . 'A' . "\0" . 'x' => 'x', 'y' => 'y', 'z' => 'z', )
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array ( 'y' => 'y', 'z' => 'z', '' . "\0" . 'A' . "\0" . 'x' => 'x', )
preferences:
179.51 ms | 409 KiB | 5 Q